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Autosized Performance Schema Options in MySQL Server in MySQL 5.6 (Doc ID 1604225.1)

Last updated on MARCH 12, 2020

Applies to:

MySQL Server - Version 5.6 and later
Information in this document applies to any platform.


The description of the options for configuring the Performance Schema specifies several of the default values as -1 (autosized). This documents describes how this autosizing of the Performance Schema options work and the implications of the autosizing.


Detailed guidance for DBAs seeking guidance of what influences the automatically determined values for Performance Schema options and what the consequences are.


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In this Document
 Autosized Performance Schema Options
 Determining the Size of the MySQL Instance
 Small Instance
 Medium Instance
 Large Instance
 Calculating the Default Values
 Implications of the Autosizing

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